<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程</title>
</head>
<body>
    <ol type="A">
    <li>coffee</li>
    <li>tea</li>
    <li>milk</li>
    </ol>
    <ol start="50">
        <li>coffee</li>
        <li>tea</li>
        <li>milk</li>
    </ol>
    </body>
</html>